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<FONT color="green">001</FONT>    package org.hackystat.utilities.time.period;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.text.SimpleDateFormat;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.Calendar;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.Date;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.Locale;<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    import junit.framework.TestCase;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    /**<a name="line.10"></a>
<FONT color="green">011</FONT>     * Tests the DayCache implementation, and provides a main() method for simple <a name="line.11"></a>
<FONT color="green">012</FONT>     * performance evaluation.<a name="line.12"></a>
<FONT color="green">013</FONT>     *<a name="line.13"></a>
<FONT color="green">014</FONT>     * @author Philip M. Johnson<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    public class TestDayCache extends TestCase {<a name="line.16"></a>
<FONT color="green">017</FONT>      <a name="line.17"></a>
<FONT color="green">018</FONT>      /**<a name="line.18"></a>
<FONT color="green">019</FONT>       * Gets the passed date in yyyy-MM-dd format.<a name="line.19"></a>
<FONT color="green">020</FONT>       * @param date The date. <a name="line.20"></a>
<FONT color="green">021</FONT>       * @return Today's date. <a name="line.21"></a>
<FONT color="green">022</FONT>       */<a name="line.22"></a>
<FONT color="green">023</FONT>      private String getTestDate(Date date) {<a name="line.23"></a>
<FONT color="green">024</FONT>        SimpleDateFormat dayFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.US);<a name="line.24"></a>
<FONT color="green">025</FONT>        return dayFormat.format(date);<a name="line.25"></a>
<FONT color="green">026</FONT>      }<a name="line.26"></a>
<FONT color="green">027</FONT>      <a name="line.27"></a>
<FONT color="green">028</FONT>      /**<a name="line.28"></a>
<FONT color="green">029</FONT>       * Returns the long value corresponding to the passed time for today.<a name="line.29"></a>
<FONT color="green">030</FONT>       *<a name="line.30"></a>
<FONT color="green">031</FONT>       * @param hourOfDay Hour of day.<a name="line.31"></a>
<FONT color="green">032</FONT>       * @param minute Minute of day.<a name="line.32"></a>
<FONT color="green">033</FONT>       * @param second Second of day.<a name="line.33"></a>
<FONT color="green">034</FONT>       * @param milli Millisecond of day.<a name="line.34"></a>
<FONT color="green">035</FONT>       *<a name="line.35"></a>
<FONT color="green">036</FONT>       * @return long value for today at specified time.<a name="line.36"></a>
<FONT color="green">037</FONT>       */<a name="line.37"></a>
<FONT color="green">038</FONT>      private long getTodayAt(int hourOfDay, int minute, int second, int milli) {<a name="line.38"></a>
<FONT color="green">039</FONT>        Calendar cal = Calendar.getInstance(Locale.US);<a name="line.39"></a>
<FONT color="green">040</FONT>        cal.set(Calendar.HOUR_OF_DAY, hourOfDay);<a name="line.40"></a>
<FONT color="green">041</FONT>        cal.set(Calendar.MINUTE, minute);<a name="line.41"></a>
<FONT color="green">042</FONT>        cal.set(Calendar.SECOND, second);<a name="line.42"></a>
<FONT color="green">043</FONT>        cal.set(Calendar.MILLISECOND, milli);<a name="line.43"></a>
<FONT color="green">044</FONT>        return cal.getTime().getTime();<a name="line.44"></a>
<FONT color="green">045</FONT>      }<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>      /**<a name="line.47"></a>
<FONT color="green">048</FONT>       * Tests to see that DayCache returns the same Day object for various times in the same day.<a name="line.48"></a>
<FONT color="green">049</FONT>       */<a name="line.49"></a>
<FONT color="green">050</FONT>      public void testUTCDayValue() {<a name="line.50"></a>
<FONT color="green">051</FONT>        DayCache dayCache = DayCache.getInstance();<a name="line.51"></a>
<FONT color="green">052</FONT>        Date today = new Date();<a name="line.52"></a>
<FONT color="green">053</FONT>        String todayString = getTestDate(today);<a name="line.53"></a>
<FONT color="green">054</FONT>    <a name="line.54"></a>
<FONT color="green">055</FONT>        assertEquals("Test that cached today is equals to an uncached today.",<a name="line.55"></a>
<FONT color="green">056</FONT>          dayCache.getDay(new Date().getTime()).getSimpleDayString(), todayString);<a name="line.56"></a>
<FONT color="green">057</FONT>        assertEquals("Test that the cached Date of 11:59:59.999 today returns a cached Today.",<a name="line.57"></a>
<FONT color="green">058</FONT>          dayCache.getDay(getTodayAt(23, 59, 59, 999)).getSimpleDayString(), todayString);<a name="line.58"></a>
<FONT color="green">059</FONT>        assertEquals("Test that the cached Date of 00:00:00.000 today returns a cached Today.",<a name="line.59"></a>
<FONT color="green">060</FONT>          dayCache.getDay(getTodayAt(0, 0, 0, 0)).getSimpleDayString(), todayString);<a name="line.60"></a>
<FONT color="green">061</FONT>        assertFalse("Test that the cached Date of tomorrow is not Today.",<a name="line.61"></a>
<FONT color="green">062</FONT>          dayCache.getDay(getTodayAt(23, 59, 59, 999) + 1).equals(dayCache.getDay(today.getTime())));<a name="line.62"></a>
<FONT color="green">063</FONT>        assertFalse("Test that the cached Date of yesterday is not Today.",<a name="line.63"></a>
<FONT color="green">064</FONT>          dayCache.getDay(getTodayAt(0, 0, 0, 0) - 1).equals(dayCache.getDay(today.getTime())));<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>        long twoYearUTC = today.getTime() + (1000 * 60 * 60 * 24 * 365 * 2);<a name="line.66"></a>
<FONT color="green">067</FONT>        assertEquals("Test that a day two years in the future returns a day instance",<a name="line.67"></a>
<FONT color="green">068</FONT>          dayCache.getDay(today.getTime() + twoYearUTC), new Day(today.getTime() + twoYearUTC));<a name="line.68"></a>
<FONT color="green">069</FONT>        assertEquals("Test that a day two years in the past returns a day instance",<a name="line.69"></a>
<FONT color="green">070</FONT>          dayCache.getDay(today.getTime() - twoYearUTC), new Day(today.getTime() - twoYearUTC));<a name="line.70"></a>
<FONT color="green">071</FONT>      }<a name="line.71"></a>
<FONT color="green">072</FONT>    <a name="line.72"></a>
<FONT color="green">073</FONT>      /**<a name="line.73"></a>
<FONT color="green">074</FONT>       * Supports performance analysis testing of DayCache. If this main is invoked with "-cache", it<a name="line.74"></a>
<FONT color="green">075</FONT>       * invokes the DayCache on times starting now and incrementing by 1 second for the next 364<a name="line.75"></a>
<FONT color="green">076</FONT>       * days.  Otherwise, does the same thing but just creates a new Day instance each time.<a name="line.76"></a>
<FONT color="green">077</FONT>       * <a name="line.77"></a>
<FONT color="green">078</FONT>       * &lt;p&gt;<a name="line.78"></a>
<FONT color="green">079</FONT>       * Initial evaluation indicates that without the cache, it takes around 80 seconds to create a<a name="line.79"></a>
<FONT color="green">080</FONT>       * day instance for each second for 100 days. With the cache, it takes around 3 seconds.<a name="line.80"></a>
<FONT color="green">081</FONT>       * &lt;/p&gt;<a name="line.81"></a>
<FONT color="green">082</FONT>       *<a name="line.82"></a>
<FONT color="green">083</FONT>       * @param args An arg of "-cache" means use the DayCache.<a name="line.83"></a>
<FONT color="green">084</FONT>       */<a name="line.84"></a>
<FONT color="green">085</FONT>      public static void main(String[] args) {<a name="line.85"></a>
<FONT color="green">086</FONT>        boolean useCache = (args.length &gt; 0) &amp;&amp; (args[0].equals("-cache"));<a name="line.86"></a>
<FONT color="green">087</FONT>        System.out.println("Starting TestDayCache with cache " + ((useCache) ? "enabled" : "disabled"));<a name="line.87"></a>
<FONT color="green">088</FONT>    <a name="line.88"></a>
<FONT color="green">089</FONT>        Date startTime = new Date();<a name="line.89"></a>
<FONT color="green">090</FONT>        long today = new Date().getTime();<a name="line.90"></a>
<FONT color="green">091</FONT>        for (int day = 1; day &lt; 100; day++) {<a name="line.91"></a>
<FONT color="green">092</FONT>          for (int hour = 0; hour &lt; 24; hour++) {<a name="line.92"></a>
<FONT color="green">093</FONT>            for (int minute = 0; minute &lt; 60; minute++) {<a name="line.93"></a>
<FONT color="green">094</FONT>              for (int second = 0; second &lt; 60; second++) {<a name="line.94"></a>
<FONT color="green">095</FONT>                long tstamp = today + (1000 * second * minute * hour * day);<a name="line.95"></a>
<FONT color="green">096</FONT>                if (useCache) {<a name="line.96"></a>
<FONT color="green">097</FONT>                  Day.getInstance(tstamp); <a name="line.97"></a>
<FONT color="green">098</FONT>                }<a name="line.98"></a>
<FONT color="green">099</FONT>                else {<a name="line.99"></a>
<FONT color="green">100</FONT>                  new Day(tstamp);<a name="line.100"></a>
<FONT color="green">101</FONT>                }<a name="line.101"></a>
<FONT color="green">102</FONT>              }<a name="line.102"></a>
<FONT color="green">103</FONT>            }<a name="line.103"></a>
<FONT color="green">104</FONT>          }<a name="line.104"></a>
<FONT color="green">105</FONT>        }<a name="line.105"></a>
<FONT color="green">106</FONT>    <a name="line.106"></a>
<FONT color="green">107</FONT>        System.out.println("Start time: " + startTime);<a name="line.107"></a>
<FONT color="green">108</FONT>        System.out.println("End time: " + new Date());<a name="line.108"></a>
<FONT color="green">109</FONT>      }<a name="line.109"></a>
<FONT color="green">110</FONT>    }<a name="line.110"></a>




























































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